Home / 147,337.52-220,742-89,529.60

Finding the Fourth Proportional to 147,337.52, 220,742 and 89,529.60

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Solution

The fourth proportional to 147,337.52, 220,742 and 89,529.60 is: 134,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,337.52 : 220,742 = 89,529.60 : x
  2. Step 2: Convert to fraction form
    147,337.52/220,742 = 89,529.60/x
  3. Step 3: Cross multiply
    147,337.52x = 220,742 × 89,529.60
  4. Step 4: Simplify right side
    147,337.52x = 19,762,942,963.20
  5. Step 5: Solve for x
    x = 19,762,942,963.20/147,337.52
  6. Step 6: Final answer
    x = 134,133.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.